On 6/4/20 4:26 PM, Adrian Nicolae wrote:
Hi all,
I have a Ceph cluster with a standard setup :
- the public network : MONs and OSDs conected in the same agg switch
with ports in the same access vlan
- private network : OSDs connected in another switch with a second
eth connected in another access vlan
I need to change the public vlan on the first switch and the private
vlan and the second switch.
Although it should be a trivial operation (just change the vlan range
ports in a single command), it means that all the OSDs and MONs will
not be able to communicate with each other for a few seconds . (first
on the public network, then on the private network). Do you know if
this very short period of downtime will mess up the cluster somehow ?
Is there a best practice on how to do this safely ?
`ceph osd set noout` is enough for this, I think.
k
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